Hc138_select
http://www.atl.com/Parking Web因为c51只有一组数码管，但是我们需要显示的东西有很多，所以通过按键切换是我们必须要知道的. 按键之间有嵌套，切换，计数，对于按键的使用我们是必须知道的
Hc138_select
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WebHC138 symbol, PCB footprint from the free EasyEDA PCB design tool. Price Index HC138 price changes time by time. Unit Price Per Reel ($/pcs) Documents HC138 datasheets or manufacturer documentation. Datasheet: HC138 Datasheet (PDF) You May Be Interested in In Stock: 0. Minimum: 5. Full Reel: 20. Ext. Price: $0.00 ... WebMemory chip select decoding Demultiplexing Single line peripheral control Allow simple serial bit streams from a microcontroller to control as many peripheral lines as needed …
WebThe ’HC138, ’HC238, ’HCT138, and ’HCT238 are high-speed silicon-gate CMOS decoders well suited to memory address decoding or data-routing applications. Both circuits feature low power consumption usually associated with CMOS circuitry, yet have speeds comparable to low-power Schottky TTL logic. Both circuits have three binary select ... Webdefend. , Ins. Co. ( ( (
WebDec 18, 2015 · Build an 8-digit display using Seven-segment Display and 74HC138. I am trying to create an 8 digit, 7 segment display using an Arduino, 2 4-digit displays and an …
WebAbout ON Semiconductor. ON Semiconductor is a publicly traded company that designs, develops, and manufactures a wide range of semiconductor products for various applications, including automotive, computing, consumer, industrial, and communications markets. The company was founded in 1999 and is headquartered in Phoenix, Arizona. ti opa1612WebI Address select 1 3 A. 2. I Address select 2 4 G . 0. I Output strobe 0, active low 5 G . 1. I Output strobe 1, active low 6 G. 2. I Output strobe 2 7 Y. 7. O Output 7 8 GND — Ground 9 Y. 6. O Output 6 10 Y. 5. O Output 5 11 Y. 4. O Output 4 12 Y. 3. O Output 3 13 Y. 2. O Output 2 14 Y. 1. O Output 1 15 Y. 0. O Output 0 16 V. CC — Positive ... bauunternehmen markus brakelWebThe ’HC138, ’HC238, ’HCT138, and ’HCT238 are high-speed silicon-gate CMOS decoders well suited to memory address decoding or data-routing applications. Both circuits feature low power consumption usually associated with CMOS circuitry, yet have speeds comparable to low-power Schottky TTL logic. Both circuits have three binary select ... bauunternehmen pulaWebHC138: 169Kb / 9P: HIGH SPEED TRANSISTOR OPTOCOUPLERS System Logic Semiconduc... HC138: 51Kb / 5P: 1-of-8 Decoder/Demultiplexer Search Partnumber : Start with "HC138"-Total : 100 ( 1/5 Page) PREMO CORPORATION S.L: HC130-08V2: 1Mb / 6P: Common mode chokes with Nanocrystalline cores & Common mode chokes with Ferrite … ti opa1612aWebFind the best pricing for Texas Instruments SN74HC138 by comparing bulk discounts from 8 distributors. Octopart is the world's source for SN74HC138 availability, pricing, and technical specs and other electronic parts. ti opa 1612aWebMunhwa/Clear Files/40P/F921-7. $11.31 (￦14,500). add/remove on wish list bauunternehmen templinWeb74HC138BQ - The 74HC138; 74HCT138 decodes three binary weighted address inputs (A0, A1 and A2) to eight mutually exclusive outputs (Y0 to Y7). The device features three enable inputs (E1, E2 and E3). Every output will be HIGH unless E1 and E2 are LOW and E3 is HIGH. This multiple enable function allows easy parallel expansion to a 1-of-32 (5 to 32 … ti opa1622耳放